目录

overridden_fields

目录

Don't override fields.

此规则自 Dart 2.0 版本起可用。

_规则集：recommended , flutter _

详情

#

DON'T override fields.

Overriding fields is almost always done unintentionally. Regardless, it is a bad practice to do so.

BAD:

dart
class Base {
  Object field = 'lorem';

  Object something = 'change';
}

class Bad1 extends Base {
  @override
  final field = 'ipsum'; // LINT
}

class Bad2 extends Base {
  @override
  Object something = 'done'; // LINT
}

GOOD:

dart
class Base {
  Object field = 'lorem';

  Object something = 'change';
}

class Ok extends Base {
  Object newField; // OK

  final Object newFinal = 'ignore'; // OK
}

GOOD:

dart
abstract class BaseLoggingHandler {
  Base transformer;
}

class LogPrintHandler implements BaseLoggingHandler {
  @override
  Derived transformer; // OK
}

使用方法

#

要启用 overridden_fields 规则，请在你的 analysis_options.yaml 文件中，在 linter > rules 下添加 overridden_fields ：

analysis_options.yaml
yaml
linter:
  rules:
    - overridden_fields

除非另有说明，否则本网站上的文档反映的是 Dart 3.6.0。页面最后更新于 2025-02-05。 查看源代码 或 报告问题.